This gem of Moorish architecture is slowly disintegrating along the coast of this charming town.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A toxic ghost town sitting atop a massive coal fire.

Over time, this castle grew to encompass the entire island.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The now-serene site of the largest earthquake ever recorded in North America.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

Large Hadron Collider and the Birthplace of World Wide Web.

One of the most historical literary characters continues to stroll his hometown.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

On the side of a building, a depiction of the woman who became a local legend by tossing soup out her window.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

A trove of ridiculously valuable prints and manuscripts under one roof.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

The most unusual block in Brasília.

This grand memorial remembers the 20 members of the Los Angeles Times killed when the office was bombed.